LMU Telemetry
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Getting Started Guide

Everything you need to know to set up LMU Telemetry Tracker and start recording your lap times.

Quick Overview

What you'll need to get started

  • A Discord account (for signing in)
  • Le Mans Ultimate installed on your PC
  • The LMU Telemetry desktop app (Windows)
1

Create Your Account

Sign in using your Discord account. We use Discord for authentication because most sim racing teams already use it for communication.

  1. Click the "Sign in with Discord" button
  2. Authorize the app to access your Discord profile
  3. You'll be redirected to your dashboard
Sign in with Discord
2

Create or Join a Team

Teams are how you organize drivers and share lap data. You can create your own team or join an existing one.

Create a Team

  1. Go to your Dashboard
  2. Click "Create Team"
  3. Enter a team name
  4. You'll automatically be the admin

Join a Team

  1. Go to "Browse Teams"
  2. Find your team
  3. Click "Request to Join"
  4. Wait for admin approval
3

Get Your API Key

Your API key connects the desktop app to your account. Each team member has their own unique key.

  1. Go to your team's page
  2. Find the "My API Key" section
  3. Click "Create API Key"
  4. Copy and save your key somewhere safe - you won't be able to see it again!
Important: Keep your API key private. Anyone with your key can upload laps on your behalf.
4

Download the Desktop App

The desktop app runs in the background and automatically captures your lap times from Le Mans Ultimate.

  1. Download the latest release from GitHub
  2. Run the installer (.msi or .exe)
  3. Launch "LMU Telemetry Tracker"
Download from GitHub
5

Configure the Desktop App

Enter your API key to connect the desktop app to your account.

  1. Open the LMU Telemetry Tracker app
  2. Paste your API key into the settings
  3. The app will verify your connection
  4. You're ready to go!
Telemetry Path: The app automatically detects your Le Mans Ultimate telemetry folder. If it doesn't find it, you may need to set it manually in the app settings.

C:\Program Files (x86)\Steam\steamapps\common\Le Mans Ultimate\UserData\Telemetry
6

Start Racing!

That's it! Now just drive and your laps will be automatically recorded.

How it works

  • • Keep the desktop app running
  • • Launch Le Mans Ultimate
  • • Complete laps in any session
  • • Laps upload automatically

What gets tracked

  • • Lap times
  • • Sector times
  • • Track & car info
  • • Valid/invalid status

Frequently Asked Questions

My laps aren't being recorded?

Make sure the desktop app is running and shows "Connected". Check that your telemetry path is correct and that Le Mans Ultimate is saving telemetry files.

Can I be in multiple teams?

Yes! You can join as many teams as you like. Each team has its own API key, so make sure you're using the key for the team you want to upload laps to.

How do I change teams in the desktop app?

Simply replace your API key with the key from your other team. Your laps will then upload to that team instead.

Is the app safe?

Yes! The app only reads telemetry files that Le Mans Ultimate creates. It doesn't modify any game files or interact with the game directly. The source code is open on GitHub.

Ready to get started?

Create your account and start tracking your lap times today.

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